pyridine 99.5% ar

Six white plastic bottles with red caps of varying sizes are lined up in ascending order against a plain gray background.

Three chemical solution bottles with red caps are arranged side by side against a gray background. The labels read "Methyl Orange Indicator Solution" and "Fehling's Solution No. A.

Three white chemical bottles with red caps, labeled "Chemnovyo," arranged in order of size against a plain gray background.

Four plastic bottles of chemical reagents with red caps, labeled for different substances, are arranged in size order against a gray background.

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Six brown pharmaceutical containers of varying sizes with white and red ChemBooz labels are arranged in a row against a plain gray background.

Three black plastic bottles of nitric acid with white hazard labels are arranged in a row against a grey background.

Two brown glass bottles with red caps, labeled as chemical containers, are placed side by side on a gray surface with a dark background.

Two white plastic chemical containers with black lids, labeled "Chemnovato." The left contains Magnesium Sulphate, and the right contains Acetyl Salicylic Acid, both on a gray background.

Three chemical bottles labeled Toluene, Iso-Propyl Alcohol, and Chloroform are arranged side by side on a gray background.

Six brown glass bottles of varying sizes with white labels and black or white caps, containing Trichloroacetic Acid 99% AR from Chemoxy, are arranged in a row on a gray background.

Two brown glass bottles labeled "Chloroform 99.8% for HPLC" with hazard symbols, placed side by side on a neutral gray background.

Three dark brown bottles with red caps and Chemnovatic labels contain hydrochloric acid, nitric acid, and sulfuric acid, arranged side by side on a gray background.

Specification

Description

Suitable for Karl Fischer reagent.
Azabenzene; Azine.

CAS	110-86-1
Molecular Formula	C5H5N
Molecular Weight	79.10
Shelf Life	60 Months

Physical Properties
Physical State at 20 °C	Liquid	Colour	colorless to light yellow
Odour	Fishy Stench odour	pH Value	8.5 at 15.82 g/l at 25 °C
Melting Point/ Freezing Point [°C]	-42 °C	Auto-Ignition Temperature [°C]	482 °C
Flammability (Solid, Gas)	Flammable	Flash Point [°C]	17 °C
Boiling Point [°C]	115 °C	Vapour Pressure [20°C]	18 mm Hg @ at 20°C
Vapour Pressure Mm/Hg	18 mm Hg @ at 20°C	Vapour Density	2.73
Density [g/cm3]	0.978	Solubility in Water [% weight]	Soluble in water
Partition Coefficient Log POW Octanol / Water at 20°C	0.65	Viscosity at 40°C [mm2/s]	0.95 mPas at 20°C
Explosion Limits – Upper [%]	12.40%	Explosion Limits -Lower [%]	1.80%

Specifications
Appearance	Clear colorless to faint yellow liquid with characteristic odor	Assay	Min 99.5%
Weight/ Ml at 20°C	0.982 – 0.983 g/ml	Refractive Index (20°C; 589 Nm)	1.509 – 1.510
Insoluble Matter in Water	Passes test	Water (H2O)	Max 0.1%
Non Volatile Matter	Max 0.002%	Chloride (Cl)	Max 0.0005%
Ammonia (Nh3)	Max 0.002%	Copper (Cu)	Max 0.0002%
Iron (Fe)	Max 0.0002%	Lead (Pb)	Max 0.0001%
Substance Reducing Kmno4 (As O)	Max 0.0008%

Dangerous Goods Information
UN Number	1282	DG Class	3

Safety Information & Hazard Symbols
Symbol	GHS02, GHS07
Signal Word	Danger
Hazard Statement	H225-H302-H312-H332
Precaution Statement	P210-P280

pyridine 99.5% ar

$31.65

UOM

Size

Clear

SKU C02223-00500-HS Category Chemicals